Re: Compare CLOBs over dblink

  • From: Niall Litchfield <niall.litchfield@xxxxxxxxx>
  • To: japplewhite@xxxxxxxxxxxxx
  • Date: Mon, 1 Nov 2010 15:35:44 +0000

How big do the LOBS get? I wouldn't want to compare multi mb files over a
link....

On Mon, Nov 1, 2010 at 3:28 PM, <japplewhite@xxxxxxxxxxxxx> wrote:

> How about the DBMS_LOB.Compare function?
>
> Jack C. Applewhite - Database Administrator
> Austin I.S.D. - MIS Department
> 512.414.9250 (wk)  /  512.935.5929 (pager)
>
>
>
>
> From:        Sherrie Kubis <Sherrie.Kubis@xxxxxxxxxxxxxxxxxx>
> To:        "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
> Date:        11/01/2010 09:36 AM
> Subject:        Compare CLOBs over dblink
> Sent by:        oracle-l-bounce@xxxxxxxxxxxxx
> ------------------------------
>
>
>
> I have a developer request to compare CLOB fields over a dblink.  We looked
> at dbms_utility.get_hash_value but that only works for varchar data types.
>  We then looked at dbms_crypto.hash, which has potential. My concern with
> this is granting dbms_crypto to a developer as a security issue.
>
> Anyone have an experience or advice on comparing clobs over a dblink or the
> dbms_crypto package?
>
>
> *
> Sherrie Kubis
> Oracle DBA Supervisor*
> Southwest Florida Water Management District
> 352-796-7211 x4033*
> **mailto:Sherrie.Kubis@xxxxxxxxxxxxxxxx* <Sherrie.Kubis@xxxxxxxxxxxxxxxx>*
> **http://www.watermatters.org* <http://www.watermatters.org/>
>
>
>


-- 
Niall Litchfield
Oracle DBA
http://www.orawin.info

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